j. Subject to Lessee’s reasonable contest rights, to pay, when due, all license fees and other fees and assessments
necessary for the securing of licenses, certificates of registration and certificates of airworthiness and other similar permits for the operation of the Aircraft during the Term of this Agreement, and further, to pay, when due, all taxes, fees,
assessments or other levies now and hereafter imposed by any provincial, federal or local government upon the Aircraft, or upon the leasing, use or operation thereof (but not on the income of Lessor), whether assessed to Lessor, or to Lessee;
provided that upon payment of such fees, assessments, taxes or levies, Lessee will promptly deliver the receipts for such payments to Lessor, and that if Lessor pays any sum or sums constituting an obligation of Lessee under this Agreement, then the
amount of such payments shall be reimbursed on demand. 

 k. Subject to Sections 4(d) and 7 hereof, to furnish at its own cost and expense
all fuel, lubricants, and other material necessary for the operation of the Aircraft, pay all maintenance, storage, hangar (other than home base hangaring), landing, airport and customs charges and fees and all other charges of operation,
maintenance (except as otherwise provided herein), or storage of the Aircraft.